(structure induction): Add new field same_insn.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@8784 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 4 insertions, 0 deletions

diff --git a/gcc/loop.h b/gcc/loop.h
index bb219c32d21..777c8875958 100644
--- a/gcc/loop.h
+++ b/gcc/loop.h
@@ -104,6 +104,10 @@ struct induction
 				   is split, and a constant is eliminated from
 				   the address, the -constant is stored here
 				   for later use. */
+  struct induction *same_insn;	/* If there are multiple identical givs in
+				   the same insn, then all but one have this
+				   field set, and they all point to the giv
+				   that doesn't have this field set.  */
 };
 
 /* A `struct iv_class' is created for each biv.  */